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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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The NESTATE_INSTALL alarm indicates that an NE is in the installing state. This alarm is generated when the NE is just delivered from the factory or a user issues the command for initializing the NE.


Alarm Severity Alarm Type


Processing alarm



Impact on the System

After the alarm occurs, no configuration exists on the NE side. If configurations are not reloaded from the U2000, the NE cannot be configured with services.

If NE data is uploaded after the NESTATUS_INSTALL alarm is generated, the uploaded NE data is empty data. If the empty data is downloaded, the NE data is cleared. As a result, services are interrupted. Therefore, after this alarm is generated, NE data can only be downloaded, but cannot be uploaded.

Possible Causes

Possible causes of this alarm are as follows:

  • A user issues the command for initializing the NE. However, verification is not performed.
  • The NE is in the initializing state, and is not configured with any data.
  • The database in the system control unit is faulty.
  • The system control, cross-connect, and timing board is replaced when there is only one system control, cross-connect, and timing board.


  1. Apply the configuration data again and perform verification. Then, check whether the NESTATE_INSTALL alarm is cleared.

Related Information


Updated: 2019-01-21

Document ID: EDOC1100020975

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